Although this method is effective for changing the appearance of
type, using it to manipulate an entire web site containing multiple
font tags results in time-consuming updates, adds
to the overall file size of the web document, and increases the
likelihood that errors will occur in the markup.

CSS helps to eliminate these design and maintenance problems. We can
solve this problem in many ways, such as placing the content in a
p element:

<p>Hello, World!</p>

Then use CSS to dictate the style of the document by placing this CSS
block in the head of the document:

Now the document's structure and its visual
presentation are separated. Because they are in separate areas, the
process of editing and maintaining a web site's
design including typography is simplified immensely.

It is important to be able to read the contents of a web page online,
and CSS enables you to accomplish myriad tasks for controlling web
page typography. In addition to setting the color, style, and size of
fonts, this chapter also covers techniques for setting initial caps,
creating visually compelling pullquotes, modifying leading, and more.